LT3027IDD - Analog Devices Inc.

Manufacturer Part Number

LT3027IDD

Manufacturer

Analog Devices

Introduction

Dual Low-Dropout Linear Regulator with Independent Inputs

Product Features and Performance

Dual Independent LDOs

Wide Input Voltage Range up to 20V

Adjustable Output from 1.22V to 20V

Low Dropout Voltage 0.45V at 100mA Load Each LDO

Low Quiescent Current 50 µA

High PSRR 65dB at 120Hz

Output Current Capability 100mA per LDO

Easily Enabled with Control Features

Product Advantages

Low Noise due to High PSRR

Excellent Thermal Performance with Exposed Pad Package

Minimal Quiescent Current for Power-Saving

Over Current and Over Temperature Protection for Safety

Reverse Polarity Protection Enhances Reliability

Wide Operating Temperature Range Suitable for Industrial Applications

Key Technical Parameters

Output Current: 100mA per Channel

Input Voltage (Max): 20V

Output Voltage Range: 1.22V to 20V

Dropout Voltage (Max): 0.45V @ 100mA

Quiescent Current (Iq): 50 µA

Supply Current (Max): 4 mA

Power Supply Rejection Ratio (PSRR): 65dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Surface Mount Technology

Compatible with Various 10-WFDFN Exposed Pad Boards

Application Areas

Telecommunications

Portable and Battery-Powered Equipment

Microprocessor Power Supply

Mixed Analog/Digital Subsystems

Product Lifecycle

Obsolete Status

Potential for sourcing challenges due to discontinuation

Replacement products or upgrades may be required

Key Reasons to Choose This Product

Highly Suitable for Noise-Sensitive Applications

Dual Channels Offer Flexibility in Circuits Requiring Multiple Regulated Voltages

Low Dropout Enables Use in Low Voltage Scenarios

Power Efficiency for Battery-Powered Devices

Robust Protection Features Ensure Long-Term Reliability

Wide Operating Temperature Range Fits Harsh Environmental Demands

Minimal Design Footprint with Small Package Size